43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
/*********************************************************
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* Copyright (C) 2004 VMware, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 and no later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*********************************************************/
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#ifndef __COMPAT_KERNEL_H__
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# define __COMPAT_KERNEL_H__
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#include <asm/unistd.h>
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#include <linux/kernel.h>
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/*
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* container_of was introduced in 2.5.28 but it's easier to check like this.
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*/
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#ifndef container_of
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#define container_of(ptr, type, member) ({ \
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const typeof( ((type *)0)->member ) *__mptr = (ptr); \
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(type *)( (char *)__mptr - offsetof(type,member) );})
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#endif
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/*
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* vsnprintf became available in 2.4.10. For older kernels, just fall back on
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* vsprintf.
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*/
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 4, 10)
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#define vsnprintf(str, size, fmt, args) vsprintf(str, fmt, args)
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#endif
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#endif /* __COMPAT_KERNEL_H__ */
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